From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001
From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 14:33:42 +0000
Subject: Add submodule dependency files
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
---
roms/u-boot/board/gdsys/a38x/dt_helpers.c | 42 +++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
create mode 100644 roms/u-boot/board/gdsys/a38x/dt_helpers.c
(limited to 'roms/u-boot/board/gdsys/a38x/dt_helpers.c')
diff --git a/roms/u-boot/board/gdsys/a38x/dt_helpers.c b/roms/u-boot/board/gdsys/a38x/dt_helpers.c
new file mode 100644
index 000000000..c859024a2
--- /dev/null
+++ b/roms/u-boot/board/gdsys/a38x/dt_helpers.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2016
+ * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <fdt_support.h>
+#include <asm-generic/gpio.h>
+#include <dm.h>
+
+int fdt_disable_by_ofname(void *rw_fdt_blob, char *ofname)
+{
+ int offset = fdt_path_offset(rw_fdt_blob, ofname);
+
+ return fdt_status_disabled(rw_fdt_blob, offset);
+}
+
+bool dm_i2c_simple_probe(struct udevice *bus, uint chip_addr)
+{
+ struct udevice *dev;
+
+ return !dm_i2c_probe(bus, chip_addr, DM_I2C_CHIP_RD_ADDRESS |
+ DM_I2C_CHIP_WR_ADDRESS, &dev);
+}
+
+int request_gpio_by_name(struct gpio_desc *gpio, const char *gpio_dev_name,
+ uint offset, char *gpio_name)
+{
+ struct udevice *gpio_dev = NULL;
+
+ if (uclass_get_device_by_name(UCLASS_GPIO, gpio_dev_name, &gpio_dev))
+ return 1;
+
+ gpio->dev = gpio_dev;
+ gpio->offset = offset;
+ gpio->flags = 0;
+
+ return dm_gpio_request(gpio, gpio_name);
+}
+
--
cgit